Phenakite and Imperial Topaz Physical Properties

Phenakite

Imperial Topaz

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.983.49-3.57

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

Uneven

1.6 Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

Not Available

1.7 Mohs Hardness

7.5-88

2 10

1.8 Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Phenakite and Imperial Topaz Chemical Formula

While comparing Phenakite and Imperial Topaz physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Phenakite and Imperial Topaz chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Phenakite and Imperial Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Imperial Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Imperial Topaz Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.49-3.57 whereas that of Imperial Topaz is 3.49-3.57.